1// SPDX-License-Identifier: GPL-2.0
  2/* Copyright(c) 2017 - 2019 Pensando Systems, Inc */
  3
  4#include <linux/module.h>
  5#include <linux/netdevice.h>
  6
  7#include "ionic.h"
  8#include "ionic_bus.h"
  9#include "ionic_lif.h"
 10#include "ionic_devlink.h"
 11
 12static int ionic_dl_info_get(struct devlink *dl, struct devlink_info_req *req,
 13			     struct netlink_ext_ack *extack)
 14{
 15	struct ionic *ionic = devlink_priv(dl);
 16	struct ionic_dev *idev = &ionic->idev;
 17	char buf[16];
 18	int err = 0;
 19
 20	err = devlink_info_driver_name_put(req, IONIC_DRV_NAME);
 21	if (err)
 22		return err;
 23
 24	err = devlink_info_version_running_put(req,
 25					       DEVLINK_INFO_VERSION_GENERIC_FW,
 26					       idev->dev_info.fw_version);
 27	if (err)
 28		return err;
 29
 30	snprintf(buf, sizeof(buf), "0x%x", idev->dev_info.asic_type);
 31	err = devlink_info_version_fixed_put(req,
 32					     DEVLINK_INFO_VERSION_GENERIC_ASIC_ID,
 33					     buf);
 34	if (err)
 35		return err;
 36
 37	snprintf(buf, sizeof(buf), "0x%x", idev->dev_info.asic_rev);
 38	err = devlink_info_version_fixed_put(req,
 39					     DEVLINK_INFO_VERSION_GENERIC_ASIC_REV,
 40					     buf);
 41	if (err)
 42		return err;
 43
 44	err = devlink_info_serial_number_put(req, idev->dev_info.serial_num);
 45
 46	return err;
 47}
 48
 49static const struct devlink_ops ionic_dl_ops = {
 50	.info_get	= ionic_dl_info_get,
 51};
 52
 53struct ionic *ionic_devlink_alloc(struct device *dev)
 54{
 55	struct devlink *dl;
 56
 57	dl = devlink_alloc(&ionic_dl_ops, sizeof(struct ionic));
 58
 59	return devlink_priv(dl);
 60}
 61
 62void ionic_devlink_free(struct ionic *ionic)
 63{
 64	struct devlink *dl = priv_to_devlink(ionic);
 65
 66	devlink_free(dl);
 67}
 68
 69int ionic_devlink_register(struct ionic *ionic)
 70{
 71	struct devlink *dl = priv_to_devlink(ionic);
 72	struct devlink_port_attrs attrs = {};
 73	int err;
 74
 75	err = devlink_register(dl, ionic->dev);
 76	if (err) {
 77		dev_warn(ionic->dev, "devlink_register failed: %d\n", err);
 78		return err;
 79	}
 80
 81	attrs.flavour = DEVLINK_PORT_FLAVOUR_PHYSICAL;
 82	devlink_port_attrs_set(&ionic->dl_port, &attrs);
 83	err = devlink_port_register(dl, &ionic->dl_port, 0);
 84	if (err)
 85		dev_err(ionic->dev, "devlink_port_register failed: %d\n", err);
 86	else
 87		devlink_port_type_eth_set(&ionic->dl_port,
 88					  ionic->master_lif->netdev);
 89
 90	return err;
 91}
 92
 93void ionic_devlink_unregister(struct ionic *ionic)
 94{
 95	struct devlink *dl = priv_to_devlink(ionic);
 96
 97	if (ionic->dl_port.registered)
 98		devlink_port_unregister(&ionic->dl_port);
 99	devlink_unregister(dl);
100}